Thomas G. McMullan

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

24858 Issued in IA

Legal business name

THOMAS G. MCMULLAN

Doing business as

Postville Clinic AKA Postville Medical Clinic

Practice address

124 West Greene Street
Postville, IA 52162

Phone

(563) 864-7221

Fax

(563) 864-7224

NPI assigned

Jul 3, 2006

Last updated

Sep 11, 2025By the provider in NPPES

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

Dr. Thomas George McMullan, M.D.NPI 1386673069

Title

Physician/Owner

Phone

(563) 864-7221

Specialties & licenses 2

Addresses

Other names 1

• Postville Clinic AKA Postville Medical Clinic Doing business as

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Thomas George McMullan, M.D.

  • General Practice Physician
  • Postville, IA
  • NPI 1386673069
  Authorized official Same address or phone

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1151884800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1801825518",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 799",
            "city": "POSTVILLE",
            "state": "IA",
            "postal_code": "521620799",
            "telephone_number": "563-864-7221",
            "fax_number": "563-864-7224"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "124 WEST GREENE STREET",
            "city": "POSTVILLE",
            "state": "IA",
            "postal_code": "52162",
            "telephone_number": "563-864-7221",
            "fax_number": "563-864-7224"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "THOMAS G. MCMULLAN",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-07-03",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "MCMULLAN",
        "authorized_official_first_name": "THOMAS",
        "authorized_official_middle_name": "GEORGE",
        "authorized_official_title_or_position": "PHYSICIAN/OWNER",
        "authorized_official_telephone_number": "563-864-7221",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IA",
            "license": "24858",
            "primary": true
        },
        {
            "code": "208D00000X",
            "taxonomy_group": "",
            "desc": "General Practice",
            "state": "IA",
            "license": "23234",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Postville Clinic AKA Postville Medical Clinic",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Palmer Lutheran Health Center, Inc. (Gundersen Palmer Lutheran Hospital and Clinics - Postville)
• Postville Community Schools
• Prescription Shoppe Telepharmacy, LLC (Nightingale Drug)
• Prescription Shoppe Telepharmacy, LLC (Nightingale Drug)
• RW Kolarich Family Dentistry
• Transfer Master Products, Inc
• Veterans Memorial Hospital City of Waukon Ia (VMH Medical Clinic Postville)

• Internal Medicine Physician in Postville, IA
• Providers in Postville, IA by specialty
• Internal Medicine Physician in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.